Birnessite
	Post J E, Veblen D R
	American Mineralogist 75 (1990) 477-489
	Crystal structure determinations of synthetic sodium, magnesium and potassium
	birnessite using TEM and the Rietveld method
	sample is Na-birn
	_database_code_amcsd 0001300
	5.174 2.850 7.336 90 103.18 90 C2/m
	atom x y z occ Biso
	Mn 0 0 0 0.5
	O1 .376 0 .133 1.0
	Na .595 0 .500 .145 1.5
	Wat2 .595 0 .500 .30 1.5
	Wat3 0 0 .5 .15 1.5
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)

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